/**
 * Copyright © 2008, EMC Corporation.
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:
 *
 *     + Redistributions of source code must retain the above copyright notice, 
 *       this list of conditions and the following disclaimer.
 *     + Redistributions in binary form must reproduce the above copyright 
 *       notice, this list of conditions and the following disclaimer in the 
 *       documentation and/or other materials provided with the distribution.
 *     + The name of EMC Corporation may not be used to endorse or promote 
 *       products derived from this software without specific prior written 
 *       permission.
 *
 *      THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
 *      "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 
 *      TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
 *      PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 
 *      BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
 *      CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 *      SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
 *      INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 *      CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 *      ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 *      POSSIBILITY OF SUCH DAMAGE.
 */
package com.emc.esu.api.rest {
	import flash.events.EventDispatcher;
	import flash.events.IEventDispatcher;

	/**
	 * Dispatched on the beginning of a REST request
	 * @eventType com.emc.esu.api.rest.RestRequestEvent.REST_REQUEST
	 */
	[Event(name="REST_REQUEST", type="com.emc.esu.api.rest.RestRequestEvent")]
	/**
	 * Dispatched on completion of a REST request
	 * @eventType com.emc.esu.api.rest.RestRequestEvent.REST_RESPONSE
	 */
	[Event(name="REST_RESPONSE", type="com.emc.esu.api.rest.RestResponseEvent")]
	/**
	 * This class is responsible for dispatching all of the tracing events for
	 * the REST API.  Register your event handlers on the singleton of this
	 * class.
	 */
	public class TraceDispatcher extends EventDispatcher {
		private static var _instance:TraceDispatcher=null;
		public static function getInstance():TraceDispatcher {
			if( _instance == null ) {
				_instance = new TraceDispatcher();				
			}
			return _instance; 
		}
		
		public function TraceDispatcher(target:IEventDispatcher=null)
		{
			super(target);
		}
		
	}
}